DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Current Speed Voltage None of the listed here Current Speed Voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators The voltage drop for which of the following types of brush can be expected to be least? Carbon brushes Metal graphite brushes Graphite brushes None of these Carbon brushes Metal graphite brushes Graphite brushes None of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Due to armature reaction, the main pole flux of a dc generator is None of the listed here Weakend only Weakened as well as distorted Distorted only None of the listed here Weakend only Weakened as well as distorted Distorted only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading Strengthns the flux at the leading None of the listed here Weaknes the flux at the trailing Weaknes the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage ANSWER DOWNLOAD EXAMIANS APP
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